Merge pull request #538 from tidymodels/use-snapshot-tests

Use snapshot tests

tests/testthat/_snaps/boot.md

@@ -14,6 +14,23 @@
 
 # bad args
 
+    Code
+      bootstraps(warpbreaks, strata = warpbreaks$tension)
+    Condition
+      Error in `bootstraps()`:
+      ! Can't select columns that don't exist.
+      x Columns `L`, `L`, `L`, `L`, `L`, etc. don't exist.
+
+---
+
+    Code
+      bootstraps(warpbreaks, strata = c("tension", "wool"))
+    Condition
+      Error in `strata_check()`:
+      ! `strata` should be a single name or character value.
+
+---
+
     Code
       group_bootstraps(warpbreaks, tension)
     Condition

tests/testthat/_snaps/bootci.md

@@ -28,3 +28,194 @@
       Error in `bca_calc()`:
       ! All statistics have missing values.
 
+# Sufficient replications needed to sufficiently reduce Monte Carlo sampling Error for BCa method
+
+    Code
+      int_pctl(bt_small, stats)
+    Condition
+      Warning:
+      Recommend at least 1000 non-missing bootstrap resamples for term `mean`.
+    Output
+      # A tibble: 1 x 6
+        term  .lower .estimate .upper .alpha .method   
+        <chr>  <dbl>     <dbl>  <dbl>  <dbl> <chr>     
+      1 mean    9.97      10.0   10.1   0.05 percentile
+
+---
+
+    Code
+      int_t(bt_small, stats)
+    Condition
+      Warning:
+      Recommend at least 500 non-missing bootstrap resamples for term `mean`.
+    Output
+      # A tibble: 1 x 6
+        term  .lower .estimate .upper .alpha .method  
+        <chr>  <dbl>     <dbl>  <dbl>  <dbl> <chr>    
+      1 mean    9.96      10.0   10.1   0.05 student-t
+
+---
+
+    Code
+      int_bca(bt_small, stats, .fn = get_stats)
+    Condition
+      Warning:
+      Recommend at least 1000 non-missing bootstrap resamples for term `mean`.
+    Output
+      # A tibble: 1 x 6
+        term  .lower .estimate .upper .alpha .method
+        <chr>  <dbl>     <dbl>  <dbl>  <dbl> <chr>  
+      1 mean    9.96      10.0   10.1   0.05 BCa    
+
+# bad input
+
+    Code
+      int_pctl(bt_small, id)
+    Condition
+      Error in `check_tidy()`:
+      ! {.arg statistics} should select a list column of tidy results.
+
+---
+
+    Code
+      int_pctl(bt_small, junk)
+    Condition
+      Error in `check_tidy()`:
+      ! {.arg statistics} should select a list column of tidy results.
+
+---
+
+    Code
+      int_pctl(bt_small, stats, alpha = c(0.05, 0.2))
+    Condition
+      Error in `int_pctl()`:
+      ! `alpha` must be a single numeric value.
+
+---
+
+    Code
+      int_t(bt_small, stats, alpha = "potato")
+    Condition
+      Error in `int_t()`:
+      ! `alpha` must be a single numeric value.
+
+---
+
+    Code
+      int_bca(bt_small, stats, alpha = 1:2, .fn = get_stats)
+    Condition
+      Error in `int_bca()`:
+      ! `alpha` must be a single numeric value.
+
+---
+
+    Code
+      int_pctl(vfold_cv(mtcars))
+    Condition
+      Error in `UseMethod()`:
+      ! no applicable method for 'int_pctl' applied to an object of class "c('vfold_cv', 'rset', 'tbl_df', 'tbl', 'data.frame')"
+
+---
+
+    Code
+      int_t(vfold_cv(mtcars))
+    Condition
+      Error in `UseMethod()`:
+      ! no applicable method for 'int_t' applied to an object of class "c('vfold_cv', 'rset', 'tbl_df', 'tbl', 'data.frame')"
+
+---
+
+    Code
+      int_bca(vfold_cv(mtcars))
+    Condition
+      Error in `UseMethod()`:
+      ! no applicable method for 'int_bca' applied to an object of class "c('vfold_cv', 'rset', 'tbl_df', 'tbl', 'data.frame')"
+
+---
+
+    Code
+      int_t(bad_bt_norm, stats)
+    Condition
+      Error in `check_tidy_names()`:
+      ! `statistics` should select a single column for the standard error.
+
+---
+
+    Code
+      int_bca(bt_norm, stats, .fn = no_dots)
+    Condition
+      Error in `has_dots()`:
+      ! `.fn` must have an argument `...`.
+
+---
+
+    Code
+      int_pctl(as.data.frame(bt_norm), stats)
+    Condition
+      Error in `UseMethod()`:
+      ! no applicable method for 'int_pctl' applied to an object of class "data.frame"
+
+---
+
+    Code
+      int_t(as.data.frame(bt_norm), stats)
+    Condition
+      Error in `UseMethod()`:
+      ! no applicable method for 'int_t' applied to an object of class "data.frame"
+
+---
+
+    Code
+      int_bca(as.data.frame(bt_norm), stats, .fn = get_stats)
+    Condition
+      Error in `UseMethod()`:
+      ! no applicable method for 'int_bca' applied to an object of class "data.frame"
+
+---
+
+    Code
+      int_t(bt_norm %>% dplyr::filter(id != "Apparent"), stats)
+    Condition
+      Error in `UseMethod()`:
+      ! no applicable method for 'int_t' applied to an object of class "c('tbl_df', 'tbl', 'data.frame')"
+
+---
+
+    Code
+      int_bca(bt_norm %>% dplyr::filter(id != "Apparent"), stats, .fn = get_stats)
+    Condition
+      Error in `UseMethod()`:
+      ! no applicable method for 'int_bca' applied to an object of class "c('tbl_df', 'tbl', 'data.frame')"
+
+---
+
+    Code
+      int_pctl(badder_bt_norm, bad_term)
+    Condition
+      Error in `check_tidy_names()`:
+      ! The tibble in `statistics` should have columns for 'estimate' and 'term'.
+
+---
+
+    Code
+      int_t(badder_bt_norm, bad_err)
+    Condition
+      Error in `check_tidy_names()`:
+      ! `statistics` should select a single column for the standard error.
+
+---
+
+    Code
+      int_bca(badder_bt_norm, bad_est, .fn = get_stats)
+    Condition
+      Error in `check_tidy_names()`:
+      ! The tibble in `statistics` should have columns for 'estimate' and 'term'.
+
+---
+
+    Code
+      int_pctl(badder_bt_norm, bad_num)
+    Condition
+      Error in `pctl_single()`:
+      ! `stats` must be a numeric vector.
+

tests/testthat/_snaps/clustering.md

@@ -1,18 +1,34 @@
 # bad args
 
-    `vars` is required and must contain at least one variable in `data`.
+    Code
+      clustering_cv(dat1)
+    Condition
+      Error in `clustering_cv()`:
+      ! `vars` is required and must contain at least one variable in `data`.
 
 ---
 
-    `v` must be a single positive integer greater than 1.
+    Code
+      clustering_cv(iris, Sepal.Length, v = -500)
+    Condition
+      Error in `clustering_cv()`:
+      ! `v` must be a single positive integer greater than 1.
 
 ---
 
-    The number of rows is less than `v` = 500.
+    Code
+      clustering_cv(iris, Sepal.Length, v = 500)
+    Condition
+      Error in `clustering_cv()`:
+      ! The number of rows is less than `v` = 500.
 
 ---
 
-    `cluster_function` must be one of "kmeans" or "hclust", not "not an option".
+    Code
+      clustering_cv(iris, Sepal.Length, cluster_function = "not an option")
+    Condition
+      Error in `clustering_cv()`:
+      ! `cluster_function` must be one of "kmeans" or "hclust", not "not an option".
 
 ---
 
@@ -24,11 +40,19 @@
 
 ---
 
-    `repeats` must be a single positive integer.
+    Code
+      clustering_cv(Orange, repeats = 0)
+    Condition
+      Error in `clustering_cv()`:
+      ! `repeats` must be a single positive integer.
 
 ---
 
-    `repeats` must be a single positive integer.
+    Code
+      clustering_cv(Orange, repeats = NULL)
+    Condition
+      Error in `clustering_cv()`:
+      ! `repeats` must be a single positive integer.
 
 ---
 

tests/testthat/_snaps/form_pred.md

@@ -0,0 +1,32 @@
+# dots
+
+    Code
+      form_pred(y ~ .)
+    Condition
+      Error in `terms.formula()`:
+      ! '.' in formula and no 'data' argument
+
+---
+
+    Code
+      form_pred(terms(y ~ .))
+    Condition
+      Error in `terms.formula()`:
+      ! '.' in formula and no 'data' argument
+
+---
+
+    Code
+      form_pred(y ~ (.)^2)
+    Condition
+      Error in `terms.formula()`:
+      ! '.' in formula and no 'data' argument
+
+---
+
+    Code
+      form_pred(terms(y ~ (.)^2))
+    Condition
+      Error in `terms.formula()`:
+      ! '.' in formula and no 'data' argument
+

tests/testthat/_snaps/labels.md

@@ -6,3 +6,37 @@
       Error in `labels()`:
       ! `labels` not implemented for nested resampling
 
+# adding labels
+
+    Code
+      analysis(car_folds$splits[[1]]) %>% add_resample_id(car_folds$splits[[1]], 7)
+    Condition
+      Error in `add_resample_id()`:
+      ! `dots` should be a single logical.
+
+---
+
+    Code
+      analysis(car_folds$splits[[1]]) %>% add_resample_id(car_folds$splits[[1]], c(
+        TRUE, TRUE))
+    Condition
+      Error in `add_resample_id()`:
+      ! `dots` should be a single logical.
+
+---
+
+    Code
+      analysis(car_folds$splits[[1]]) %>% add_resample_id(car_folds$splits)
+    Condition
+      Error in `add_resample_id()`:
+      ! `split` should be a single <rset> object.
+
+---
+
+    Code
+      analysis(car_folds$splits[[1]]) %>% as.matrix() %>% add_resample_id(car_folds$
+        splits[[1]])
+    Condition
+      Error in `add_resample_id()`:
+      ! `.data` should be a data frame.
+